HA Postcode Area for the Harrow Region

A wide range of spatial data has been analysed to present this overview. If you would like anything added, please contact us.

This section of the site is all about the HA Postcode area, also known as the Harrow Postal Area. Explore links to the next level to learn more about specific postcode districts such as HA0.

Map of the HA Harrow Postcode

Map of The HA Postcode Area
Terrain Map of the HA - Harrow Postcode.
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Map of the HA Harrow Postcode Area

Explore the postcode area by using our interactive map.


Quick Facts about the HA Postcode

HA Area Statistics
Width from East to West 9.25 mi
Height from North to South 7.57 mi
Area of HA 42.49 mi²
Maximum Width 9.48 mi
Perimeter of Postcode Area 42.17 mi
Number of Postcode Districts 10
Number of Postcode Sectors 57
Number of Post Towns 7
Number of Postcodes 10,219
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The HA postcode area represents a group of 10 postal districts in the Harrow area of the United Kingdom. The area code stands for the letters h and a in HArrow. The area has a population of 480,953 and covers an area of 110,033 hectares. Fun fact: 0.74% of the population of Great Britain lives in this area.

The postcode area falls within the following counties: Greater London (98.55%), Hertfordshire (1.45%).

Where is the HA Postcode Area?

The Harrow HA Postcode is in the London Region.. The postal area borders the following neighbouring postal areas: WD - Watford, NW - London - NW, W - London - W and UB - Uxbridge, and is located inland.


Map Showing Location of the postcode area
Where is the postcode area?
A word cloud for the postcode area
A word cloud for the area

How built up is the Postcode Area?

I've calculated the total area covered by building footprints within the postcode area.
By analyzing this against the total area, I've determined the percentage of the area that's developed, this will give you an idea of how urban or rural the postcode region is.
The higher the percentage the more urban the area is. For example the least urban district is HA6 and the most urban is HA9.

Building Area Summary
Postcode District Total Area (m²) Footprint Area (m²) Built Percentage %
HA6 13,024,873 1,177,693 9.04%
HA7 12,146,310 1,374,608 11.32%
HA4 15,820,372 2,062,007 13.03%
HA5 13,649,907 1,820,592 13.34%
HA8 11,838,229 1,874,332 15.83%
HA1 7,853,310 1,360,612 17.33%
HA3 12,571,395 2,195,579 17.46%
HA2 8,627,800 1,540,493 17.85%
HA0 6,708,432 1,401,007 20.88%
HA9 7,799,223 1,630,405 20.90%
Total 110,039,851 (m²) 16,437,328 (m²) 14.94%
Map of the HA Postcode Area

A map showing the boundary of HA in relation to other areas

There are 2 towns within the Harrow postcode area.

Map of Posttowns in the HA
Map of Posttowns in the HA Postal Area
Area of the HA postcode area
Unit Area²
Hectares 110,033²
Miles 425²
Feet 11,843,842,087²
Kilometres 1,100²

Postal Delivery Offices Serving the Postcode Area

  • Edgware Delivery Office
  • Harrow Central Delivery Office
  • Harrow Kenton & Weald Delivery Office
  • Harrow North & South Delivery Office
  • Northwood Delivery Office
  • Pinner Delivery Office
  • Ruislip Delivery Office
  • Stanmore Delivery Office
  • Wembley Highs Delivery Office
  • Wembley Lows Delivery Office

Tourist Attractions within the Area